diff --git a/.travis.yml b/.travis.yml
index d4fa1776f8f..def16ff1bf4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,11 +26,11 @@ before_script:
  - sh -c "if [ '$DB' = 'mysql' ]; then mysql -e 'CREATE DATABASE IF NOT EXISTS myapp_test;'; fi"
  - echo Create config file htdocs/conf/conf.php
  - echo '<?php ' > htdocs/conf/conf.php
- - sh -c "if [ '$DB' = 'pgsql' ]; then echo '$dolibarr_main_db_type=\'pgsql\';' >> htdocs/conf/conf.php; fi"
- - sh -c "if [ '$DB' = 'mysql' ]; then echo '$dolibarr_main_db_type=\'mysqli\';' >> htdocs/conf/conf.php; fi"
- - echo '$dolibarr_main_db_host=\'localhost\';' >> htdocs/conf/conf.php
- - echo '$dolibarr_main_db_name=\'myapp_test\';' >> htdocs/conf/conf.php
- - echo '$dolibarr_main_db_user=\'travis\';' >> htdocs/conf/conf.php
+ - sh -c "if [ '$DB' = 'pgsql' ]; then echo '$'dolibarr_main_db_type=\'pgsql\'';' >> htdocs/conf/conf.php; fi"
+ - sh -c "if [ '$DB' = 'mysql' ]; then echo '$'dolibarr_main_db_type=\'mysqli\'';' >> htdocs/conf/conf.php; fi"
+ - echo '$'dolibarr_main_db_host=\'localhost\'';' >> htdocs/conf/conf.php
+ - echo '$'dolibarr_main_db_name=\'myapp_test\'';' >> htdocs/conf/conf.php
+ - echo '$'dolibarr_main_db_user=\'travis\'';' >> htdocs/conf/conf.php
  - echo '?>' >> htdocs/conf/conf.php
  - echo Show conf.php content
  - cat htdocs/conf/conf.php